The least common factor of any set of positive integers is 1.
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The least common factor is 1. (The least common factor of any two or more positive integers is always 1.)
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 4 and 22 is 2
The greatest common factor of 22 and 160 is 2.
The least common factor of any set of integers is 1.
The factors of 16 are 1, 2, 4, 8, and 16. The factors of 44 are 1, 2, 4, 11, 22, and 44. The common factors are 1, 2, and 4. The lowest common factor is 1.